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Object-relational database
An
object-relational database
(
ORD
), or
object-relational database management system
(
ORDBMS
), is a
database management system
(DBMS) similar to a
relational database
, but with an
object-oriented
database model: objects, classes and inheritance are directly supported in
database schemas
and in the
query language
. In addition, just as with pure relational systems, it supports extension of the
data model
with custom
data-type
s and
method
s.
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